The three Us of mobile design: UX v usability v UI

Mobile design focuses, or should focus, on the user. This so-called user-centric design has generated a healthy obsession with the three Us: user experience (UX), usability and user interface (UI). These terms, and the roles associated with them, are commonly mistaken and/or used interchangeably. This is not entirely unsurprising as there are no ubiquitous definitions and some overlap.Read the full article